Worm connecting structure

Abstract

The utility model discloses a worm connecting structure, which belongs to the technical field of worms and comprises a worm main body, threaded rods are symmetrically arranged on two sides of the worm main body, mounting sleeves are sleeved on the surfaces of the threaded rods, mounting blocks are fixed at the end parts of the mounting sleeves, positioning blocks are fixed in the mounting sleeves, and the positioning blocks are fixed in the worm main body. The surfaces of the positioning blocks are sleeved with positioning grooves formed in the threaded rods. An operator can conveniently connect the mounting block with other parts in an inserting mode, the use range of the worm body connecting mode is widened, meanwhile, the operator can conveniently fix the mounting sleeve to the threaded rod in advance, and the stability of the mounting sleeve fixed to the surface of the threaded rod is improved.

Description

Technical Field

[0001] This utility model belongs to the field of worm gear technology, and in particular relates to a worm gear connection structure. Background Technology

[0002] Worm gear connection structure usually refers to the connection method of worm gear with other components (such as motor shaft, worm wheel, etc.). Common worm gear connection structures include threaded connection, insertion connection, interference fit connection, coupling sleeve and coupling connection. Therefore, it can be seen that the existing worm gear basically meets people's needs, but the following problems still exist.

[0003] When connecting worm gears, the ends on both sides of the worm determine the connection method. Usually, threaded grooves are opened on both sides of the worm to allow for threaded connections with other components. If both sides are cylindrical, insertion connections, interference fits, coupling sleeves, and couplings are used. When using worm gears, operators may need to use different installation methods depending on the style of the worm's ends, which may result in a relatively limited installation method. Therefore, we propose a worm gear connection structure. Utility Model Content

[0004] This utility model provides a worm gear connection structure, which uses an installation sleeve to drive an installation block on the worm gear body, thereby increasing the application range of the worm gear body connection method.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a worm gear connection structure, comprising a worm gear body, threaded rods symmetrically arranged on both sides of the worm gear body, and mounting sleeves fitted on the surfaces of the threaded rods, mounting blocks fixed at the ends of the mounting sleeves, positioning blocks fixed inside the mounting sleeves, and positioning grooves formed on the surfaces of the positioning blocks, clearance grooves formed on the threaded rods on the sides where the mounting sleeves and positioning blocks are connected, and positioning rods penetrating through the middle of the clearance grooves, and slots connected to the positioning grooves fitted at the ends of the positioning rods, with limit blocks fixed at the other ends of the positioning rods, and the two sets of positioning rods being threadedly connected.

[0006] Furthermore, the threaded rod has symmetrically formed spring grooves inside, and a second spring and a stop block are respectively provided inside the spring grooves. The two ends of the second spring abut against the surface of the stop block and the inside of the spring groove, respectively. The end of the stop block is fitted with a stop groove formed inside the mounting sleeve.

[0007] Furthermore, the ends of the abutments are all set as semicircles, and the grooves are all set as semicircular recesses, with the semicircular recesses of the grooves matching the semicircles of the ends of the abutments.

[0008] Furthermore, the inner wall of the slot is provided with a push plate and a first spring, and the two ends of the first spring abut against the surface of the push plate and the inside of the slot respectively, and the surface of the push plate is in contact with the positioning rod.

[0009] Furthermore, each of the positioning rods on either side is penetrated by a bolt, and the end of each bolt is fitted with a threaded sleeve that is opened on the other positioning rod.

[0010] Furthermore, each bolt surface is provided with a threaded groove, and the threaded sleeve is provided with an internal thread that is opposite to the thread on the bolt surface.

[0011] The beneficial effects of this utility model are:

[0012] 1. The worm gear connection structure is equipped with an installation sleeve, an installation block, and a threaded sleeve. When the operator removes the installation sleeve from the surface of the threaded rod, the installation sleeve causes the installation block to separate from the threaded rod. This allows the operator to connect the threaded rod to the worm gear body and other components via a threaded connection. Furthermore, the installation sleeve causes the installation block to be installed on the worm gear body, allowing the operator to connect the installation block to other components via an insertion method, thus expanding the range of applications for the worm gear body connection method.

[0013] 2. The worm gear connection structure is equipped with a second spring, a stop block, and a stop groove. When the operator moves the mounting sleeve onto the surface of the threaded rod, the second spring recovers its elastic deformation and pushes the stop block to move, so that the stop block is inserted into the stop groove. By inserting the stop block into the stop groove, the mounting sleeve is pre-fixed on the threaded rod, which makes it convenient for the operator to pre-fix the mounting sleeve on the threaded rod and increases the stability of the mounting sleeve fixed on the surface of the threaded rod. Attached Figure Description

[0014] Figure 1 This is a frontal cross-sectional view of the present invention.

[0015] Figure 2 This is a top view cross-sectional structural diagram of the present invention;

[0016] Figure 3 This is a side sectional view of the present invention.

[0017] Figure 4 For the present utility model Figure 1 Enlarged structural diagram at point A;

[0018] Figure 5 For the present utility model Figure 2 A magnified structural diagram at point B in the middle.

[0019] In the picture:

[0020] 1. Worm gear body; 2. Mounting sleeve; 3. Positioning block; 4. Mounting block; 5. Threaded rod; 6. Threaded sleeve; 7. Clearance groove; 8. First spring; 9. Abutment groove; 10. Second spring; 11. Push plate; 12. Bolt; 13. Limiting block; 14. Slot; 15. Spring groove; 16. Abutment block; 17. Positioning rod; 18. Positioning groove. Detailed Implementation

[0021] To further understand the utility model's content, features, and effects, the following embodiments are provided, and detailed descriptions are given in conjunction with the accompanying drawings.

[0022] Example:

[0023] Please see Figure 1 - Figure 5 A worm gear connection structure includes a worm body 1, with threaded rods 5 symmetrically arranged on both sides of the worm body 1. Each threaded rod 5 has a mounting sleeve 2 fitted onto its surface. Mounting blocks 4 are welded to the ends of the mounting sleeves 2. Positioning blocks 3 are welded to the interior of each mounting sleeve 2, and positioning grooves 18 are formed on the surfaces of the positioning blocks 3 and connected to the threaded rods 5. A clearance groove 7 is formed on the side where the mounting sleeves 2 and positioning blocks 3 connect, and a positioning rod 17 passes through the center of each clearance groove 7. A slot 1 is fitted at the end of each positioning rod 17, communicating with the positioning groove 18. 4. The two sets of positioning rods 17 are threaded together. A bolt 12 passes through each positioning rod 17, and the end of each bolt 12 is fitted with a threaded sleeve 6 that is opened on the other positioning rod 17. When the operator no longer needs to use the threads on both sides of the worm gear body 1 for installation, the operator first moves the installation sleeve 2. The installation sleeve 2 moves the positioning block 3, aligning the positioning block 3 with the positioning groove 18. After the positioning block 3 is aligned with the positioning groove 18, it is inserted into the positioning groove 18. After installation, when installing the sleeve 2 and threaded rod 5, it is convenient to position the sleeve 2 and threaded rod 5 so that the sleeve 2 is fitted onto the surface of the threaded rod 5. Then, the operator moves the limiting block 13, which drives the positioning rod 17 to align with the clearance groove 7. The operator then pushes the limiting block 13, which drives the positioning rod 17 through the limiting block 13 and into the slot 14. The limiting block 13 is then inserted into the clearance groove 7, and the clearance groove 7 provides support for the limiting block 13. After storage, the operator takes the bolt 12 and passes it through the limiting block 13 and the positioning rod 17. Then, the end of the bolt 12 is aligned with the threaded sleeve 6 in the middle of the other positioning rod 17, and the bolt 12 is inserted into the threaded sleeve 6. The bolt 12 and the threaded sleeve 6 are threadedly engaged, which facilitates the mutual fixation of the two sets of positioning rods 17. It is also convenient to fix the mounting sleeve 2 on the surface of the threaded rod 5, and to facilitate the operator to connect the mounting block 4 to other components by insertion, thereby improving the application range of the connection method of the worm gear body 1.

[0024] In other embodiments, the threaded rod 5 has symmetrically formed spring grooves 15 inside, and a second spring 10 and a stop block 16 are respectively arranged inside the spring grooves 15. The two ends of the second spring 10 abut against the surface of the stop block 16 and the inside of the spring groove 15, respectively. The ends of the stop blocks 16 are all fitted with a stop groove 9 formed inside the mounting sleeve 2. The ends of the stop blocks 16 are all set as semi-circular, and the stop grooves 9 are all set as semi-circular grooves. The semi-circular grooves of the stop grooves 9 match the semi-circular grooves at the ends of the stop blocks 16. When the operator moves the mounting sleeve 2 onto the surface of the threaded rod 5, the mounting sleeve 2 moves on the surface of the threaded rod 5. After the mounting sleeve 2 moves to the front end of the stop block 16, the inner wall of the mounting sleeve 2 abuts against the semi-circular surface at the end of the stop block 16. Then the mounting sleeve 2 continues to move on the surface of the threaded rod 5, causing the mounting sleeve 2 to push the semi-circular surface at the end of the stop block 16. After being pushed by the mounting sleeve 2, the stop block 16 enters the spring groove 15, and the stop block 16 springs into the spring groove 15. When sliding within the spring groove 15, the abutment 16 compresses the second spring 10, causing the second spring 10 to undergo elastic deformation. After the second spring 10 undergoes elastic deformation, it avoids the abutment 16, allowing the abutment 16 to enter the spring groove 15. The abutment 16 also avoids the mounting sleeve 2. When the mounting sleeve 2 moves the abutment groove 9 to the front end of the abutment 16, the inner wall of the mounting sleeve 2 no longer compresses the second spring 10 through the abutment 16, and the elastic deformation of the second spring 10 recovers. The second spring 10 pushes the abutment 16 to move, causing the abutment 16 to insert into the abutment groove 9. The insertion of the abutment 16 into the abutment groove 9 facilitates the operator in fixing the position of the mounting sleeve 2, making it easier to pre-fit the mounting sleeve 2 onto the surface of the threaded rod 5. This prevents the mounting sleeve 2 from sliding freely on the surface of the threaded rod 5 when the operator fixes the mounting sleeve 2 onto the surface of the threaded rod 5 using the bolts 12 and the threaded sleeve 6 and the two sets of positioning rods 17, thus increasing the stability of the threaded rod 5 when the operator installs it onto the mounting sleeve 2.

[0025] In other embodiments, the inner wall of the slot 14 is provided with a push plate 11 and a first spring 8, and the two ends of the first spring 8 respectively abut against the surface of the push plate 11 and the inside of the slot 14. The surface of the push plate 11 is in contact with the positioning rod 17. When the bolt 12 and the threaded sleeve 6 no longer fix the two sets of positioning rods 17, the positioning rod 17 no longer squeezes the first spring 8 through the push plate 11. The first spring 8 recovers its elastic deformation, and the first spring 8 pushes the push plate 11 to move. The push plate 11 pushes the positioning rod 17 to pop out of the slot 14. When the operator picks up the positioning rod 17, the convenience of the operator picking up the positioning rod 17 is improved.

[0026] In other embodiments, the bolt 12 is provided with threaded grooves on its surface, and the threaded sleeve 6 is provided with internal threads that are opposite to the threads on the surface of the bolt 12. By the fact that the threaded grooves on the surface of the bolt 12 are opposite to the internal threads on the inner wall of the threaded sleeve 6, the threaded grooves on the surface of the bolt 12 can be threadedly engaged with the internal threads on the inner wall of the threaded sleeve 6, so that the bolt 12 and the positioning rod 17 can be connected to each other, which facilitates the fixing of the two sets of positioning rods 17.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A worm gear connection structure, comprising a worm gear body (1), characterized in that: The worm gear body (1) has symmetrically arranged threaded rods (5) on both sides, and each threaded rod (5) is fitted with an installation sleeve (2). The end of the installation sleeve (2) is fixed with an installation block (4). The inside of the installation sleeve (2) is fixed with a positioning block (3), and the surface of the positioning block (3) is fitted with a positioning groove (18) opened on the threaded rod (5). The side where the installation sleeve (2) and the positioning block (3) are connected to each other is provided with a clearance groove (7), and a positioning rod (17) passes through the middle of the clearance groove (7). The end of the positioning rod (17) is fitted with a slot (14) that communicates with the positioning groove (18). The other end of the positioning rod (17) is fixed with a limit block (13). The two sets of positioning rods (17) are threaded together.

2. The worm gear connection structure according to claim 1, characterized in that: The threaded rod (5) has symmetrical spring grooves (15) inside, and a second spring (10) and a stop block (16) are respectively provided inside the spring groove (15). The two ends of the second spring (10) abut against the surface of the stop block (16) and the inside of the spring groove (15) respectively. The end of the stop block (16) is fitted with a stop groove (9) opened inside the mounting sleeve (2).

3. The worm gear connection structure according to claim 2, characterized in that: The ends of the abutment blocks (16) are all set as semicircles, and the abutment grooves (9) are all set as semicircular grooves, and the semicircular grooves set in the abutment grooves (9) match the semicircles set at the ends of the abutment blocks (16).

4. The worm gear connection structure according to claim 1, characterized in that: The inner wall of the slot (14) is provided with a push plate (11) and a first spring (8), and the two ends of the first spring (8) abut against the surface of the push plate (11) and the inside of the slot (14), respectively. The surface of the push plate (11) is in contact with the positioning rod (17).

5. The worm gear connection structure according to claim 1, characterized in that: Each of the positioning rods (17) on either side is penetrated by a bolt (12), and the end of each bolt (12) is fitted with a threaded sleeve (6) that is opened on the other positioning rod (17).

6. The worm gear connection structure according to claim 5, characterized in that: The bolts (12) are all provided with threaded grooves on their surfaces, and the threaded sleeves (6) are all provided with internal threads that are opposite to the threads on the bolts (12).

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